Reporting all intersection points, generalized segments: Difference between revisions

From Algorithm Wiki
Jump to navigation Jump to search
No edit summary
No edit summary
 
Line 35: Line 35:


[[File:Line segment intersection - Reporting all intersection points, generalized segments - Time.png|1000px]]
[[File:Line segment intersection - Reporting all intersection points, generalized segments - Time.png|1000px]]
== Space Complexity Graph ==
[[File:Line segment intersection - Reporting all intersection points, generalized segments - Space.png|1000px]]
== Time-Space Tradeoff ==
[[File:Line segment intersection - Reporting all intersection points, generalized segments - Pareto Frontier.png|1000px]]


== References/Citation ==  
== References/Citation ==  

Latest revision as of 09:05, 28 April 2023

Description

In this case, the segments are generalized (i.e. have algebraic degree ≥1); we still wish to report all points of intersection.

Related Problems

Subproblem: Reporting all intersection points, line segments

Related: Reporting all intersection points, convex polygons, Reporting all intersection points, general polygons, Counting number of intersection points, line segments

Parameters

$n$: number of line segments

$k$: number of points of intersection

Table of Algorithms

Name Year Time Space Approximation Factor Model Reference
Jean-Daniel Boissonnat and Franco P. Preparata. 1997 $O(n \log n + k \log n)$ $O(n)$ Exact Deterministic Time & Space
Balaban. 1995 $O(n \log n + k )$ $O(n)$ Exact Deterministic Time & Space
Boissonnat; Snoeyink 1999 $O(n \log n + k )$ $O(n)$ Exact Deterministic Time & Space

Time Complexity Graph

Line segment intersection - Reporting all intersection points, generalized segments - Time.png

References/Citation

https://dl.acm.org/citation.cfm?id=304991

https://dl.acm.org/doi/10.1145/304893.304991)